Qualcomm AI Engine Direct - fixed missing import in custom op example

[shewu-quic]

Summary:

• Resolved the visibility issue for libQnnHtp to avoid undefined symbol error with custom operator

os_linux.cc:310::ERROR:Error attempting to load dynamic library examples/qualcomm/custom_op/example_op_package_htp/ExampleOpPackage/build/x86_64-linux-clang/libQnnExampleOpPackage.so: examples/qualcomm/custom_op/example_op_package_htp/ExampleOpPackage/build/x86_64-linux-clang/libQnnExampleOpPackage.so: undefined symbol: _ZTIN4hnnx15TypicalOpIoBaseILj1ELj1EEE

• Fixed missing import in custom op example

cc @cccclai @cbilgin

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/18149

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

⏳ No Failures, 31 Pending

As of commit c55ceb0 with merge base ed57040 ():
💚 Looks good so far! There are no failures yet. 💚

This comment was automatically generated by Dr. CI and updates every 15 minutes.

[github-actions]

This PR needs a release notes: label

If your change should be included in the release notes (i.e. would users of this library care about this change?), please use a label starting with release notes:. This helps us keep track and include your important work in the next release notes.

To add a label, you can comment to pytorchbot, for example
@pytorchbot label "release notes: none"

For more information, see
https://github.com/pytorch/pytorch/wiki/PyTorch-AutoLabel-Bot#why-categorize-for-release-notes-and-how-does-it-work.

[abhinaykukkadapu]

Please remove/ run linter. Thanks!

[shewu-quic]

Thanks!